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Electrical Automation Motor Control Q&A
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Electrical Automation Motor Control Q&A
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Electrical Automation Motor Control Q&AForm C contacts contain; - ✔️ one set of normally open contacts
There is no difference between jogging and inching - ✔️ False
When hand drawing a control schematic, wire numbers are denoted by using?
- ✔️ Boxes
A holding circuit requires that a control relay has at least one set of normally
open contacts. - ✔️ True
When building a control circuit, there is not an industry standard on the order
(inputs and outputs) of the components. - ✔️ False
A switch can have only two states - ✔️ True
A device can have only one action. - ✔️ False
Two normally open push-buttons wired in parallel is considered AND logic.
- ✔️ False
All control circuit devices can be classified as either input devices or output
devices. - ✔️ Ture
Each wire in a circuit has to have it's own unique wire number. - ✔️ False
Two normally open push-buttons wired in series can be considered OR logic.
- ✔️ False
A switches normal state can also be referred to as it's _____ state. - ✔️
Shelf
A normally open switch is colored ____ - ✔️ Green
An electrical drawing that is only concerned with the logic representation of
the input and output devices in a circuit. - ✔️ Schematic
, An electrical drawing that is concerned with the electrical and physical
representation of the input and output devices in a circuit. - ✔️ Wiring
Diagram
An inexpensive electro-mechanical relay is referred to as a(n) _____ relay in the
field. - ✔️ Ice Cube
Each input actuator can handle ______ . - ✔️ as many switches as
physically allowed
A normally open switch has terminal numbers ___ and ___ - ✔️ three and
four
A normally closed switch is colored ____. - ✔️ red
A normally closed switch has terminal numbers ___ and ___. - ✔️ one and
two
Ladder logic is composed of ____ and ____ - ✔️ rungs, rails
According to NEMA, the rotation of a motor is determined by ____? - ✔️
observing the shaft rotation from the head end
An eight-pin relay, like the one we use in class, may also be labelled as a?
- ✔️ DPDT
All motors use the NEMA rotation determination standard. - ✔️ False
All single-phase motors only operate on one voltage level. - ✔️ False
Four letter acronym describes 11 pin relay NEMA symbol? - ✔️ TPDT
Select the correct term used to describe the state of a component that is
conducting current. - ✔️ Made
A single-phase induction motor can run on it's low voltage input if the
windings are configured in - ✔️ parallel
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